Fonds consists of correspondence, journals, and newspaper clippings related to the family of Thomas Alexander Stewart and Frances Stewart. Many papers originate from the family of their son, Henry Louis Stewart. Also included is one photograph, a sketch of Auburn, the family homestead, and a hand-drawn map.

The fonds consists of the diaries of Harriet Pengelley (1835-1836), Robert Pengelley (1835), and A.E. Marguerite (Rita) Pengelley (1940-1941); correspondence; sketchbooks (1829-1830); drawings; and photographs. In 1994, an addition was made to the fonds which included a photocopy of a diary of Robert Pengelley (1837-1840) and textual records regarding the Pengelley family. In 2018, an addition of Pengelley family genealogical information was received.

This fonds consists primarily of the correspondence of Scott Ackerman Medd to his parents Sidney Taylor Medd and Estelle Lumsden Ackerman and his sister Mary E. Medd. The correspondence covers such topics as Scott's education at Trinity College School in Port Hope and at the Royal Academy in London, England, his development as and artist, life in England, and World War II. The fonds also contains the family records of Thomas and Mary Medd consisting of emigration and settlement letters, 1819-1919; correspondence to Robert Medd, 1820-1852; and correspondence to and from Sidney Taylor Medd during World War I. Also included are photographs of various members of the Medd family and sketches and sketchbooks of Scott Ackerman Medd.

This fonds consists of a number of issues of a handwritten newspaper, written weekly by agricultural students of Colonel Samuel Strickland of Lakefield, Canada West. The issues are scattered and topics covered include agriculture, local events, local gossip, and politics. Also included are four letters of George M. Douglas relating to the newspaper.

This fonds consists of correspondence, photographs, family biographical information, notes and research for speeches, alderman election materials, accounts, land ownership documents, business records and newspaper clippings pertaining to the personal and political career of John Beverley Robinson. Also included in the fonds is research material of Mrs. Forsyth Grant, daughter of J.B. Robinson and President of the Women's Canadian Historical Society of Toronto.

This fonds consists of photographs, two charcoal portraits, land documents, family bible and biographical sketches of Lakefield, Ontario. It also includes information on the Joseph Walton family of Smith Township. The bible contains genealogical information and is a "Cottage" Bible stamped with name of Joseph and S.J. Walton.

Fonds consists of photographs, correspondence, and miscellaneous documents pertaining to the Atwood family of Lakefield, Ontario. Also included are materials pertaining to Anne Atwood's family, the Traills; a sketch identified through an accompanying note as Ernest Shackleton; and correspondence between Edwin Guillet and explorer George M. Douglas.

This fonds includes the letters of Anna Leveridge, written to her mother and family friends in England, describing their boat trip to Canada and pioneer life in the backwoods of Hastings County, Ontario, near Coe Hill, Marmora, and Millbridge. The fonds also includes family genealogy and photographs.